You have been chosen to compete in the Ultimate Puzzling Challenge, along with 1,048,575 others. It is a challenge where you will encounter lots of puzzles, and it is very fun! However, you have to answer a riddle before you actually enter the challenge, and only the first 262,144 people get to compete. Turn this letter over to find the riddle. By the way, here's the layout: There are 3 sections: A,B, and C. A is all about maps, B is all about science (including math) and C is about language (e.g. cryptograms).

- Mr. Riddle Guy

Of course, you read the back, because after all this looks fun!

I don't have to move in the air or water,
I hunt fish and berries.
You will find me in Canada
My color is sometimes contrary to my name.
What am I?